docs: fix some antique example output

These diff-index and diff-tree sample outputs date back to the first month of git's existence. The output format has changed slightly since then, so let's have it match the current output. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jeff King committed May 26, 2011 at 22:33 UTC 62b42d348754231609e07912ac42da6b112008ef
2 files changed +4 -4
Documentation/git-diff-index.txt
+2 -2
@@ -96,8 +96,8 @@ show that. So let's say that you have edited `kernel/sched.c`, but
96 have not actually done a 'git update-index' on it yet - there is no
97 "object" associated with the new state, and you get:
98
99 - torvalds@ppc970:~/v2.6/linux> git diff-index HEAD
100 - *100644->100664 blob 7476bb......->000000...... kernel/sched.c
99 + torvalds@ppc970:~/v2.6/linux> git diff-index --abbrev HEAD
100 + :100644 100664 7476bb... 000000... kernel/sched.c
101
102 i.e., it shows that the tree has changed, and that `kernel/sched.c` has is
103 not up-to-date and may contain new stuff. The all-zero sha1 means that to
Documentation/git-diff-tree.txt
+2 -2
@@ -138,8 +138,8 @@ so it can be used to name subdirectories.
138
139 An example of normal usage is:
140
141 - torvalds@ppc970:~/git> git diff-tree 5319e4......
142 - *100664->100664 blob ac348b.......->a01513....... git-fsck-objects.c
141 + torvalds@ppc970:~/git> git diff-tree --abbrev 5319e4
142 + :100664 100664 ac348b... a01513... git-fsck-objects.c
143
144 which tells you that the last commit changed just one file (it's from
145 this one: